mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
synced 2025-12-25 21:19:07 +00:00
35be203f42
Signed-off-by: Frediano Ziglio <freddy77@gmail.com> Acked-by: Julien Ropé <jrope@gmail.com>
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
/*
|
|
Copyright (C) 2013 Jeremy White <jwhite@codeweavers.com>
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef H_SPICE_COMMON_SND_CODEC
|
|
#define H_SPICE_COMMON_SND_CODEC
|
|
|
|
#include <stdbool.h>
|
|
#include <spice/enums.h>
|
|
|
|
#define SND_CODEC_OPUS_FRAME_SIZE 480
|
|
#define SND_CODEC_OPUS_PLAYBACK_FREQ 48000
|
|
#define SND_CODEC_OPUS_COMPRESSED_FRAME_BYTES 480
|
|
|
|
#define SND_CODEC_PLAYBACK_CHAN 2
|
|
|
|
#define SND_CODEC_MAX_FRAME_SIZE SND_CODEC_OPUS_FRAME_SIZE
|
|
#define SND_CODEC_MAX_FRAME_BYTES (SND_CODEC_MAX_FRAME_SIZE * SND_CODEC_PLAYBACK_CHAN * 2 /* FMT_S16 */)
|
|
#define SND_CODEC_MAX_COMPRESSED_BYTES SND_CODEC_OPUS_COMPRESSED_FRAME_BYTES
|
|
|
|
#define SND_CODEC_ANY_FREQUENCY -1
|
|
|
|
#define SND_CODEC_ENCODE 0x0001
|
|
#define SND_CODEC_DECODE 0x0002
|
|
|
|
SPICE_BEGIN_DECLS
|
|
|
|
typedef enum {
|
|
SND_CODEC_OK,
|
|
SND_CODEC_UNAVAILABLE,
|
|
SND_CODEC_ENCODER_UNAVAILABLE,
|
|
SND_CODEC_DECODER_UNAVAILABLE,
|
|
SND_CODEC_ENCODE_FAILED,
|
|
SND_CODEC_DECODE_FAILED,
|
|
SND_CODEC_INVALID_ENCODE_SIZE,
|
|
} SndCodecResult;
|
|
|
|
typedef struct SndCodecInternal * SndCodec;
|
|
|
|
bool snd_codec_is_capable(SpiceAudioDataMode mode, int frequency);
|
|
|
|
SndCodecResult snd_codec_create(SndCodec *codec,
|
|
SpiceAudioDataMode mode, int frequency, int purpose);
|
|
void snd_codec_destroy(SndCodec *codec);
|
|
|
|
int snd_codec_frame_size(SndCodec codec);
|
|
|
|
SndCodecResult snd_codec_encode(SndCodec codec, uint8_t *in_ptr, int in_size,
|
|
uint8_t *out_ptr, int *out_size);
|
|
SndCodecResult snd_codec_decode(SndCodec codec, uint8_t *in_ptr, int in_size,
|
|
uint8_t *out_ptr, int *out_size);
|
|
|
|
SPICE_END_DECLS
|
|
|
|
#endif
|